tonometer

[ toh-nom-i-ter ]
/ toʊˈnɒm ɪ tər /

noun

an instrument for measuring the frequencies of tones, as a tuning fork or a graduated set of tuning forks.
any of various physiological instruments for measuring intraocular pressure or blood pressure.
Physical Chemistry. an instrument for measuring vapor pressure.

Origin of tonometer

First recorded in 1715–25; tono- + -meter

OTHER WORDS FROM tonometer

ton·o·met·ric [ton-uh-me-trik, toh-nuh-] /ˌtɒn əˈmɛ trɪk, ˌtoʊ nə-/, adjective to·nom·e·try, noun

Words nearby tonometer

tonoclonic spasm, tonofibril, tonofilament, tonograph, tonography, tonometer, tonoplast, tonotopic, tonotropic, tons, tonsil

Example sentences from the Web for tonometer

  • The (Schiotz) tonometer was used daily for 70 consecutive days and never registered more than 12-14 mm.

    Glaucoma |Various

British Dictionary definitions for tonometer

tonometer
/ (təʊˈnɒmɪtə) /

noun

an instrument for measuring the pitch of a sound, esp one consisting of a set of tuning forks
any of various types of instrument for measuring pressure or tension, such as the blood pressure, vapour pressure, etc

Derived forms of tonometer

tonometric (ˌtɒnəˈmɛtrɪk, ˌtəʊ-), adjective tonometry, noun

Word Origin for tonometer

C18: from Greek tonos tone + -meter

Medical definitions for tonometer

tonometer
[ tō-nŏm′ĭ-tər ]

n.

Any of various instruments for measuring pressure or tension, especially one used in tonography.

Other words from tonometer

to′no•met′ric (tō′nə-mĕt′rĭk) adj. to•nom′e•try n.